CN212323015U - P type N type battery hybrid welding does not have interval subassembly - Google Patents
P type N type battery hybrid welding does not have interval subassembly Download PDFInfo
- Publication number
- CN212323015U CN212323015U CN202020756274.4U CN202020756274U CN212323015U CN 212323015 U CN212323015 U CN 212323015U CN 202020756274 U CN202020756274 U CN 202020756274U CN 212323015 U CN212323015 U CN 212323015U
- Authority
- CN
- China
- Prior art keywords
- type
- battery
- piece
- layer
- type battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 20
- 238000003475 lamination Methods 0.000 claims abstract description 13
- 239000005341 toughened glass Substances 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 4
- 210000004027 cell Anatomy 0.000 claims 3
- 210000004460 N cell Anatomy 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a P type N type battery hybrid welding's no interval subassembly, including lamination piece and setting at lamination piece frame all around, lamination piece top-down includes toughened glass layer in proper order, first EVA layer, battery cluster, second EVA layer and backsheet layer, 2 pieces are no less than to the quantity of battery piece in the battery cluster, just two adjacent battery pieces are N type battery piece and type battery piece respectively, N type battery piece with zero clearance between the P type battery piece, N type battery piece with the upper and lower both sides of P type battery piece are all connected through welding the area.
Description
Technical Field
The utility model relates to a photovoltaic cell makes technical field, especially relates to a P type N type battery hybrid welding's no interval subassembly.
Background
Solar cells are receiving wide attention all over the world as a new green and environmentally friendly energy source. The development of the global photovoltaic industry is very rapid, and the domestic photovoltaic industry is continuously developed and strengthened.
With the continuous development of the industry, how to improve the conversion efficiency of a solar photovoltaic module and improve the power generation power of the solar photovoltaic module is a subject of important research in the whole industry, taking the most common polysilicon module as an example, the module capable of producing the highest power in batches in the industry at present is 280W, and new technologies need to be continuously explored to continuously improve the number, so that the modules with higher design power and conversion efficiency are imperative, and on the basis of the modules with the same area, increasing the effective power generation area is one of the most effective means, namely increasing the effective area of the modules.
The existing mainstream component is a 6-string battery string as a whole, as shown in fig. 1-3 in the specification, each battery string is formed by connecting 10 battery pieces (all N-type or all P-type) in series through a welding strip, so as to complete the circuit connection of the component, a gap is formed between every two battery pieces connected in series, the gap increases the use area of the component due to the gap in the component manufacturing process, and in the series connection process, in order to enable the welding strip to reach the back of the adjacent battery piece from the front of the battery piece, a step-shaped deformation needs to be bent at the position (shown in fig. 2) where the welding strip passes through the gap, so that the bent position has the risk of resistance increase or performance damage or even breakage, and the risk of the component that the battery pieces are broken in the lamination process is increased.
Accordingly, there is a need for a redesign of existing components by those skilled in the art to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a P type N type battery hybrid welding's no interval subassembly solves the problem that exists among the prior art, and the concrete scheme is as follows:
the utility model provides a P type N type battery hybrid welding's no interval subassembly, includes lamination piece and sets up at lamination piece frame all around, lamination piece top-down includes toughened glass layer in proper order, first EVA layer, battery cluster, second EVA layer and backsheet layer, the quantity of battery piece is no less than 2 in the battery cluster, just two adjacent battery pieces are N type battery piece and P type battery piece respectively, N type battery piece with zero clearance between the P type battery piece, N type battery piece with the upper and lower both sides of P type battery piece are all connected through the solder strip.
Specifically, the number of battery cluster is no less than two, no clearance between the adjacent battery cluster, N type battery piece and two lateral walls spraying insulating cement of P type battery piece perpendicular to solder strip welded.
Specifically, there are 6 battery strings, and the number of battery pieces in each battery string is 10.
Specifically, the first EVA layer is high-transmittance EVA, and the second EVA layer is high-cutoff EVA.
Furthermore, a reflective film layer is arranged between the battery string and the second EVA layer.
Further, the back plate layer is a toughened glass layer.
The utility model provides a pair of P type N type battery hybrid welding's no interval subassembly has following beneficial effect:
1. the anode and cathode positions of adjacent batteries are different, so that the serial connection type through plane connection can be realized, the connection between the upper surface and the lower surface is avoided, the space is not needed any more for a welding strip to pass through, the adjacent batteries can be tightly attached, the space is not wasted, and the area of the assembly is used for effectively generating electricity.
2. Under the condition with the area, the battery piece of more areas can be used to this patent, makes the effective generating area of subassembly increase to increase the whole power of subassembly.
3. The welding strip does not need any bending in the assembly production process, the battery piece can be connected by using the original state, the risk of resistance enlargement or performance damage at the bending position is avoided, the assembly efficiency can be effectively improved, and the production cost of an enterprise is reduced.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery cell layout structure in the prior art.
Fig. 2 is a schematic diagram of connection between adjacent battery plates in the prior art.
FIG. 3 is a circuit diagram of a battery string in the prior art
Fig. 4 is a schematic view of the shingle assembly provided by the present invention.
Fig. 5 is a schematic view of a connection structure of adjacent battery plates.
Fig. 6 is a schematic diagram of the position of the insulating glue.
Fig. 7 is a circuit diagram of the battery string of the present invention.
In the figure: 10. the battery pack comprises a battery string 11, an N-type battery piece 12, a P-type battery piece 13 welding strip 14 and insulating glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 4 is the utility model provides a stack tile subassembly sketch map, fig. 5 is adjacent battery piece connection structure sketch map, fig. 6 is insulating cement position schematic diagram, fig. 7 is the utility model discloses battery string circuit diagram. Referring to fig. 4-7, the utility model discloses a P type N type battery hybrid welding's no interval subassembly is requested to protect, including lamination piece and the frame of setting around the lamination piece, lamination piece top-down includes toughened glass layer, first EVA layer in proper order, battery cluster 10, second EVA layer and backsheet layer, 2 pieces are no less than to the quantity of battery piece in the battery cluster 10, just two adjacent battery pieces are N type battery piece 11 and P type battery piece 12 respectively, N type battery piece 11 with zero clearance between the P type battery piece 12, N type battery piece 11 with the upper and lower both sides of P type battery piece 12 all connect through welding strip 13.
Specifically, the number of the battery strings 10 is not less than two, no gap exists between the adjacent battery strings 10, and the insulating glue 14 is sprayed on the two side walls of the N-type battery piece 11 and the P-type battery piece 12 perpendicular to the welding strip. The process of spraying or coating the insulating glue on the side wall of the cell piece is added in the production process of the cell piece, so that the possibility of short circuit caused by contact between the cell pieces between the adjacent cell strings 10 can be avoided, and the gap is eliminated, thereby achieving the purpose of further optimizing the effective power generation area of the assembly.
Specifically, there are 6 battery strings 10, and the number of battery pieces in each battery string 10 is 10.
Specifically, the first EVA layer is high-transmittance EVA, and the second EVA layer is high-cutoff EVA.
Specifically, a reflective film layer is further arranged between the battery string and the second EVA layer.
Further, the back plate layer is a toughened glass layer.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a P type N type battery hybrid welding does not have interval subassembly, includes lamination piece and sets up at lamination piece frame all around, lamination piece top-down includes toughened glass layer, first EVA layer in proper order, battery cluster (10), second EVA layer and backsheet layer, its characterized in that: the quantity of battery piece is no less than 2 in battery cluster (10), just two adjacent battery pieces are N type battery piece (11) and P type battery piece (12) respectively, N type battery piece (11) with zero clearance between P type battery piece (12), N type battery piece (11) with the upper and lower both sides of P type battery piece (12) are all connected through welding area (13).
2. The P-type N-type cell hybrid welded gapless assembly of claim 1, wherein: the number of the battery strings (10) is not less than two, no gap exists between the adjacent battery strings (10), and the N-type battery piece (11) and the P-type battery piece (12) are sprayed with insulating glue (14) perpendicular to two side walls welded by the welding strips.
3. The P-type N-type cell hybrid welded non-spacer assembly of claim 2, wherein: the number of the battery strings (10) is 6, and the number of the battery pieces in each battery string (10) is 10.
4. The P-type N-cell hybrid welded non-spacer assembly as set forth in any one of claims 1 to 3, wherein: the first EVA layer is high-transmittance EVA, and the second EVA layer is high-cutoff EVA.
5. The P-type N-type cell hybrid welded non-spacer assembly of claim 4, wherein: a reflective film layer is further arranged between the battery string (10) and the second EVA layer.
6. The P-type N-cell hybrid welded non-spacer assembly as set forth in any one of claims 1 to 3, wherein: the back plate layer is a toughened glass layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020756274.4U CN212323015U (en) | 2020-05-09 | 2020-05-09 | P type N type battery hybrid welding does not have interval subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020756274.4U CN212323015U (en) | 2020-05-09 | 2020-05-09 | P type N type battery hybrid welding does not have interval subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323015U true CN212323015U (en) | 2021-01-08 |
Family
ID=74024441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020756274.4U Expired - Fee Related CN212323015U (en) | 2020-05-09 | 2020-05-09 | P type N type battery hybrid welding does not have interval subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323015U (en) |
-
2020
- 2020-05-09 CN CN202020756274.4U patent/CN212323015U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7209720B2 (en) | Solar cell arrays and photovoltaic modules | |
| CN110071186B (en) | Thin film photovoltaic module inline structure and production process | |
| CN103928555A (en) | Solar battery module | |
| CN218414596U (en) | Back contact battery and photovoltaic module | |
| CN209418516U (en) | A kind of regular hexagon MWT solar battery half and component | |
| WO2024156293A1 (en) | Heterojunction cell having main grid structures on both sides and manufacturing method therefor | |
| CN110783415A (en) | Novel solar cell module and preparation method thereof | |
| JP7239912B1 (en) | photovoltaic module structure | |
| CN212323015U (en) | P type N type battery hybrid welding does not have interval subassembly | |
| CN214068735U (en) | Photovoltaic module cell piece with same-plane equal-potential parallel connection | |
| CN214152914U (en) | Double-sided solar cell and photovoltaic module | |
| WO2022237313A1 (en) | Solar photovoltaic module | |
| CN201112391Y (en) | Electrode of solar energy battery | |
| CN210123738U (en) | Solar cell and laminated tile assembly | |
| CN209785947U (en) | MWT solar cell, cell string and cell module | |
| CN210467856U (en) | Solar cell for non-shielding component packaging technology | |
| CN109216475B (en) | Solar panel assembly | |
| CN111129213A (en) | Grid line layout method of double-sided solar cell | |
| CN217740547U (en) | Circuit connection structure for parallel-series connection of photovoltaic modules | |
| CN111564514A (en) | Double-layer combined double-sided assembly for P/N type battery piece | |
| CN212209515U (en) | Photovoltaic module solder strip | |
| CN217361607U (en) | Double-glass photovoltaic module with small spacing | |
| CN220986085U (en) | High-efficiency perovskite-crystalline silicon laminated battery assembly | |
| CN218525596U (en) | Back contact solar cell, roofing photovoltaic module and photovoltaic building | |
| CN112670359B (en) | Photovoltaic module battery piece connected in parallel with same-plane equipotential |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |